Table of contents

1.9 VoIP / QoS Support Function

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    Comparing version 03:04, 2 Mar 2013 by yagi with version 19:23, 17 Jan 2024 by puripuri2100.

      SoftEther VPN (build 5205 and later) incorporates advanced priority control technology (VoIP / QoS processing technology) whereby communication packets for IP telephone such as VoIP packets in the VPN tunnel can be transmitted at low delay and low jitter even if networks are mixed together.

    Users with a SoftEther VPN Server 2.0 Option Pack license can easily use this function without any settings (for details on Option Pack, see #1.3.19#).  

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    New technologies incorporated into SoftEther VPNVPN2.0 realize QoS processing for communication using layer 2 VPN configured by SoftEther VPN. Concerning the various packets flowing through the VPN tunnel, by automatically conducting priority control and securing bandwidth according to priority information, communication packets demanding low delay and jitter such as VoIP can be given priority for VPN transmission over other packets.

    ...

    As a technology that can provide high-priority marked packets such as VoIP packets with priority for transmission when physical networks are congested by VPN software for emulating layer 2 (Ethernet layer), encapsulating by TCP/IP and transmitting, the technology developed by SoftEther VPN Project is recognized as the first with commercial viability (as of July 2006, according to a study conducted by SoftEther VPN Project; concerning VPN software capable of realizing VPN communication by encapsulated TCP/IP packets by emulating layer 2 [Ethernet]).  

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    Fig. 1-9-1 VoIP communication among bases using VPN

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    Other changes:

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    Version from 03:04, 2 Mar 2013

    This revision modified by yagi (Ban)

    ...

    SoftEther VPN (build 5205 and later) incorporates advanced priority control technology (VoIP / QoS processing technology) whereby communication packets for IP telephone such as VoIP packets in the VPN tunnel can be transmitted at low delay and low jitter even if networks are mixed together.

    Users with a SoftEther VPN Server 2.0 Option Pack license can easily use this function without any settings (for details on Option Pack, see #1.3.19#).

    ...

    New technologies incorporated into SoftEther VPN2.0 realize QoS processing for communication using layer 2 VPN configured by SoftEther VPN. Concerning the various packets flowing through the VPN tunnel, by automatically conducting priority control and securing bandwidth according to priority information, communication packets demanding low delay and jitter such as VoIP can be given priority for VPN transmission over other packets.

    ...

    As a technology that can provide high-priority marked packets such as VoIP packets with priority for transmission when physical networks are congested by VPN software for emulating layer 2 (Ethernet layer), encapsulating by TCP/IP and transmitting, the technology developed by SoftEther VPN Project is recognized as the first with commercial viability (as of July 2006, according to a study conducted by SoftEther VPN Project; concerning VPN software capable of realizing VPN communication by encapsulated TCP/IP packets by emulating layer 2 [Ethernet]).

    ...

    File:C:/TMP/130301vpn4man/VPN4_Manual_(English)/html/images/1-9-1.gif

    Fig. 1-9-1 VoIP communication among bases using VPN

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    Current version

    This revision modified by puripuri2100 (Ban)

    ...

    New technologies incorporated into SoftEther VPN realize QoS processing for communication using layer 2 VPN configured by SoftEther VPN. Concerning the various packets flowing through the VPN tunnel, by automatically conducting priority control and securing bandwidth according to priority information, communication packets demanding low delay and jitter such as VoIP can be given priority for VPN transmission over other packets.

    ...